CSS代码块

元素铺满全屏

让元素的宽度和高度刚好铺满整个屏幕

<div class="full"></div>

html,body{
        margin: 0; /*消除默认留白*/
        padding: 0;
    }
.full{
    position: absolute;
    width: 100%;
    height: 100%;
    background: salmon;
}